Add FXIOS-10386 #22756 Add debug logs for handling route (backport #2…

…4218) (#24466)

Add FXIOS-10386 #22756 Add debug logs for handling route (#24218)

Adding logs

(cherry picked from commit 1390006)

Co-authored-by: lmarceau <[email protected]>

firefox-ios/Client/Application/SceneDelegate.swift

@@ -227,7 +227,10 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
         logger.log("Scene coordinator will handle a route", level: .info, category: .coordinator)
         sessionManager.launchSessionProvider.openedFromExternalSource = true
 
-        AppEventQueue.wait(for: [.startupFlowComplete, .tabRestoration(sceneCoordinator.windowUUID)]) {
+        AppEventQueue.wait(for: [.startupFlowComplete, .tabRestoration(sceneCoordinator.windowUUID)]) { [weak self] in
+            self?.logger.log("Start up flow and restoration done, will handle route",
+                             level: .info,
+                             category: .coordinator)
             sceneCoordinator.findAndHandle(route: route)
         }
     }

firefox-ios/Client/Coordinators/BaseCoordinator.swift

@@ -52,6 +52,7 @@ open class BaseCoordinator: NSObject, Coordinator {
         for child in matchingCoordinator.childCoordinators {
             guard child.isDismissable else { continue }
 
+            logger.log("Dismissing child of the matching coordinator", level: .debug, category: .coordinator)
             matchingCoordinator.router.dismiss()
             matchingCoordinator.remove(child: child)
         }
@@ -64,6 +65,7 @@ open class BaseCoordinator: NSObject, Coordinator {
     func find(route: Route) -> Coordinator? {
         // Check if the current coordinator can handle the route.
         if canHandle(route: route) {
+            logger.log("Can handle the route with \(self)", level: .debug, category: .coordinator)
             savedRoute = nil
             return self
         }
@@ -73,13 +75,16 @@ open class BaseCoordinator: NSObject, Coordinator {
             if let matchingCoordinator = childCoordinator.find(route: route) {
                 savedRoute = nil
 
+                logger.log("Can handle route with child coordinator \(matchingCoordinator)",
+                           level: .debug,
+                           category: .coordinator)
                 return matchingCoordinator
             }
         }
 
         // If no matching coordinator is found, return nil and save the Route to be passed along when it next navigates
         savedRoute = route
-        logger.log("Saved a route", level: .info, category: .coordinator)
+        logger.log("No coordinator found, saved a route", level: .info, category: .coordinator)
         return nil
     }
 }